Profits and Money Questions

John bought a laptop, a mobile phone and an ipod at a charity auction.
He later sold all the items for 207.40 making a 22% profit.

I) What was the total ammount John paid for the 3 items?
ii) John sold the laptop, which costs 80, at a profit of 45%.
Find the selling price John sold the laptop.
iii) John sold the mobile phone, which costs 40 for 26.40
Express the profit which John made on the ipod as a percentage of the price he paid for it.